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https://gitee.com/bianbu-linux/linux-6.6
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1caed86022
As with many other projects, we use some shmalloc allocator. At some point we need to make a part of allocated pages back private to process. And it should be populated straight away. Check that (MAP_PRIVATE | MAP_POPULATE) actually copies the private page. [akpm@linux-foundation.org: change message, per review discussion] Link: http://lkml.kernel.org/r/20180801233636.29354-1-dima@arista.com Signed-off-by: Dmitry Safonov <dima@arista.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Dmitry Safonov <0x7f454c46@gmail.com> Cc: Hua Zhong <hzhong@arista.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Stuart Ritchie <sritchie@arista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
35 lines
913 B
Makefile
35 lines
913 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for vm selftests
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ifndef OUTPUT
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OUTPUT := $(shell pwd)
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endif
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CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
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LDLIBS = -lrt
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TEST_GEN_FILES = compaction_test
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TEST_GEN_FILES += gup_benchmark
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TEST_GEN_FILES += hugepage-mmap
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TEST_GEN_FILES += hugepage-shm
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TEST_GEN_FILES += map_hugetlb
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TEST_GEN_FILES += map_populate
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TEST_GEN_FILES += mlock-random-test
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TEST_GEN_FILES += mlock2-tests
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TEST_GEN_FILES += on-fault-limit
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TEST_GEN_FILES += thuge-gen
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TEST_GEN_FILES += transhuge-stress
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TEST_GEN_FILES += userfaultfd
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TEST_GEN_FILES += va_128TBswitch
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TEST_GEN_FILES += virtual_address_range
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TEST_PROGS := run_vmtests
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include ../lib.mk
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$(OUTPUT)/userfaultfd: ../../../../usr/include/linux/kernel.h
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$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
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$(OUTPUT)/mlock-random-test: LDLIBS += -lcap
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../../../../usr/include/linux/kernel.h:
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make -C ../../../.. headers_install
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